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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - PowerPC: cmpxchg generates incorrect code for i16 and i8"
href="https://bugs.llvm.org/show_bug.cgi?id=35812">35812</a>
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<th>Summary</th>
<td>PowerPC: cmpxchg generates incorrect code for i16 and i8
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>eric.schweitz@pgroup.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=19622" name="attach_19622" title="reproducer for bad code gen">attachment 19622</a> <a href="attachment.cgi?id=19622&action=edit" title="reproducer for bad code gen">[details]</a></span>
reproducer for bad code gen
On PowerPC:
% clang -o a.out bug.bc
% ./a.out
FAILED: __atomic_compare_exchange_n() failed.
%
On x86:
% clang -o a.out bug.bc
warning: overriding the module target triple with x86_64-unknown-linux-gnu
[-Woverride-module]
1 warning generated.
% ./a.out
PASSED
%</pre>
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